Add typeshed aliases to the types accepted by int and float constructors (#10707)

Ref https://github.com/python/typeshed/pull/10630#discussion_r1321646168

stdlib/_typeshed/__init__.pyi

@@ -7,8 +7,8 @@ from collections.abc import Awaitable, Callable, Iterable, Sequence, Set as Abst
 from dataclasses import Field
 from os import PathLike
 from types import FrameType, TracebackType
-from typing import Any, AnyStr, ClassVar, Generic, Protocol, TypeVar, overload
-from typing_extensions import Buffer, Final, Literal, LiteralString, TypeAlias, final
+from typing import Any, AnyStr, ClassVar, Generic, Protocol, SupportsFloat, SupportsInt, TypeVar, overload
+from typing_extensions import Buffer, Final, Literal, LiteralString, SupportsIndex, TypeAlias, final
 
 _KT = TypeVar("_KT")
 _KT_co = TypeVar("_KT_co", covariant=True)
@@ -312,3 +312,7 @@ TraceFunction: TypeAlias = Callable[[FrameType, str, Any], TraceFunction | None]
 #   https://github.com/microsoft/pyright/issues/4339
 class DataclassInstance(Protocol):
     __dataclass_fields__: ClassVar[dict[str, Field[Any]]]
+
+# Anything that can be passed to the int/float constructors
+ConvertibleToInt: TypeAlias = str | ReadableBuffer | SupportsInt | SupportsIndex | SupportsTrunc
+ConvertibleToFloat: TypeAlias = str | ReadableBuffer | SupportsFloat | SupportsIndex

stdlib/builtins.pyi

@@ -5,6 +5,8 @@ import types
 from _collections_abc import dict_items, dict_keys, dict_values
 from _typeshed import (
     AnyStr_co,
+    ConvertibleToFloat,
+    ConvertibleToInt,
     FileDescriptorOrPath,
     OpenBinaryMode,
     OpenBinaryModeReading,
@@ -24,7 +26,6 @@ from _typeshed import (
     SupportsRDivMod,
     SupportsRichComparison,
     SupportsRichComparisonT,
-    SupportsTrunc,
     SupportsWrite,
 )
 from collections.abc import Awaitable, Callable, Iterable, Iterator, MutableSet, Reversible, Set as AbstractSet, Sized
@@ -48,7 +49,6 @@ from typing import (  # noqa: Y022
     SupportsBytes,
     SupportsComplex,
     SupportsFloat,
-    SupportsInt,
     TypeVar,
     overload,
     type_check_only,
@@ -221,7 +221,7 @@ _LiteralInteger = _PositiveInteger | _NegativeInteger | Literal[0]  # noqa: Y026
 
 class int:
     @overload
-    def __new__(cls, __x: str | ReadableBuffer | SupportsInt | SupportsIndex | SupportsTrunc = ...) -> Self: ...
+    def __new__(cls, __x: ConvertibleToInt = ...) -> Self: ...
     @overload
     def __new__(cls, __x: str | bytes | bytearray, base: SupportsIndex) -> Self: ...
     if sys.version_info >= (3, 8):
@@ -327,7 +327,7 @@ class int:
     def __index__(self) -> int: ...
 
 class float:
-    def __new__(cls, __x: SupportsFloat | SupportsIndex | str | ReadableBuffer = ...) -> Self: ...
+    def __new__(cls, __x: ConvertibleToFloat = ...) -> Self: ...
     def as_integer_ratio(self) -> tuple[int, int]: ...
     def hex(self) -> str: ...
     def is_integer(self) -> bool: ...

stdlib/multiprocessing/util.pyi

@@ -1,9 +1,8 @@
 import threading
-from _typeshed import Incomplete, ReadableBuffer, SupportsTrunc, Unused
+from _typeshed import ConvertibleToInt, Incomplete, Unused
 from collections.abc import Callable, Iterable, Mapping, MutableMapping, Sequence
 from logging import Logger, _Level as _LoggingLevel
-from typing import Any, SupportsInt
-from typing_extensions import SupportsIndex
+from typing import Any
 
 __all__ = [
     "sub_debug",
@@ -77,9 +76,4 @@ class ForkAwareLocal(threading.local): ...
 MAXFD: int
 
 def close_all_fds_except(fds: Iterable[int]) -> None: ...
-def spawnv_passfds(
-    path: bytes,
-    # args is anything that can be passed to the int constructor
-    args: Sequence[str | ReadableBuffer | SupportsInt | SupportsIndex | SupportsTrunc],
-    passfds: Sequence[int],
-) -> int: ...
+def spawnv_passfds(path: bytes, args: Sequence[ConvertibleToInt], passfds: Sequence[int]) -> int: ...